# SDR AALA201708149009

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 11, 2017
- Submitted: August 14, 2017
- Operation: Air carrier
- Aircraft: N961UW
- Make and model: Emb ERJ 190-100 IGW
- Registry model: [EMB ERJ 190-100 IGW](https://openairdocs.org/model/embraer-erj-190-100-igw) (OpenAirDocs)
- Aircraft serial: 19000183
- Aircraft time: 22,083 hours, 15,833 cycles
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: O-Ring
- Condition: Leaking
- Location: Hyd Line
- Stage of operation: CR
- How discovered: O
- Nature of condition: K, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA201708149009

## Discrepancy

EMERGENCY DECLARED. DURING FLIGHT THE CREW OBSERVED HYDRAULIC 3 QUANTITY LOW.  FOUND LEAK AT THE NR 3 HYDRAULIC SYSTEM FLOW LIMITER VALVE AT INLET UNION.  REMOVED AND REPLACED THE O-RING IAW AMM 29-12-19.  AIRCRAFT WAS GROUNDED.

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